A Police Scotland spokesman said: “Officers from Police Scotland in Edinburgh have charged a 19-year-old man with drugs supply offences following the discovery of a body on Friday morning in a rear garden at West Preston Street, Edinburgh.”

Tributes have been left on social media for the student, who came from Barrhead, East Renfrewshire.

Ben's sister, Megan posted a series of heartfelt tributes on Twitter, saying she was "devastated".

Please let me wake up with this having been a twisted nightmare, Ben was too young, too smart and too brilliant for it to end like this.